///*
// * To change this template, choose Tools | Templates
// * and open the template in the editor.
// */
//package servlets;
//
//import database.DB_Access;
//import java.io.IOException;
//import java.io.PrintWriter;
//import java.util.logging.Level;
//import java.util.logging.Logger;
//import javax.servlet.ServletConfig;
//import javax.servlet.ServletException;
//import javax.servlet.annotation.WebServlet;
//import javax.servlet.http.HttpServlet;
//import javax.servlet.http.HttpServletRequest;
//import javax.servlet.http.HttpServletResponse;
//import javax.servlet.http.HttpSession;
//
///**
// *
// * @author Vodo
// */
//@WebServlet(name = "Register", urlPatterns = {"/Register"})
//public class Register extends HttpServlet {
//
//    /**
//     * Processes requests for both HTTP
//     * <code>GET</code> and
//     * <code>POST</code> methods.
//     *
//     * @param request servlet request
//     * @param response servlet response
//     * @throws ServletException if a servlet-specific error occurs
//     * @throws IOException if an I/O error occurs
//     */
//    private DB_Access dba;
//    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
//            throws ServletException, IOException {
//        response.setContentType("text/html;charset=UTF-8");
//        PrintWriter out = response.getWriter();
//        try {
//           response.sendRedirect("jsp/Register.jsp");
//        } finally {
//            out.close();
//        }
//    }
//
//      @Override
//    public void init(ServletConfig config) throws ServletException {
//        super.init(config); //To change body of generated methods, choose Tools | Templates.
//        try {
//            dba= DB_Access.getInstance();
//        } catch (ClassNotFoundException ex) {
//            Logger.getLogger(Register.class.getName()).log(Level.SEVERE, null, ex);
//        }
//    }
//
//    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
//    /**
//     * Handles the HTTP
//     * <code>GET</code> method.
//     *
//     * @param request servlet request
//     * @param response servlet response
//     * @throws ServletException if a servlet-specific error occurs
//     * @throws IOException if an I/O error occurs
//     */
//    @Override
//    protected void doGet(HttpServletRequest request, HttpServletResponse response)
//            throws ServletException, IOException {
//        processRequest(request, response);
//    }
//
//    /**
//     * Handles the HTTP
//     * <code>POST</code> method.
//     *
//     * @param request servlet request
//     * @param response servlet response
//     * @throws ServletException if a servlet-specific error occurs
//     * @throws IOException if an I/O error occurs
//     */
//    @Override
//    protected void doPost(HttpServletRequest request, HttpServletResponse response)
//            throws ServletException, IOException {
//
//            String username = request.getParameter("username");
//            String password = request.getParameter("password");
//            String password2 = request.getParameter("confirmPassword");
//            String errMsg = "";
//             HttpSession session = request.getSession();
//             try {
//
//            if(username == null || password == null || password2 == null)
//            {
//
//                errMsg = "This error should never occur";
//                session.setAttribute("error", errMsg);
//                processRequest(request, response);
//                return;
//            }
//
//            username = username.trim();
//            password = password.trim();
//            password2 = password.trim();
//            if(username.isEmpty())
//            {
//                 errMsg = "Please enter username!";
//            }
//             else if(password.isEmpty()||password2.isEmpty())
//            {
//                 errMsg += "</br>Please enter both passwords!";
//            }
//
//             else if(!password.equals(password2))
//            {
//                 errMsg = "Please enter two identical passwords!";
//            }
//            else if(password.length()<8)
//            {
//                  errMsg = "Minimum password length is eight";
//            }
//            else if(!password.matches(".*[0-9].*"))
//            {
//                errMsg="Use at least one digit for password";
//            }
//            else if(!password.matches(".*[A-Z].*"))
//            {
//                errMsg="Use at least one capital letter for password";
//            }
//            else if(!password.matches(".*[a-z].*"))
//            {
//                errMsg="Use at least one lowercase letter for password";
//            }
//            else if(dba.checkUser(username))
//            {
//                errMsg="Username already exists";
//            }
//            else if(!dba.register(username, password))
//            {
//                errMsg="Register not possible";
//            }
//             }
//            catch (Exception ex) {
//            Logger.getLogger(Register.class.getName()).log(Level.SEVERE, null, ex);
//            }
//
//            if(!errMsg.isEmpty())
//            {
//               session.setAttribute("error", errMsg);
//                response.sendRedirect("jsp/Register.jsp");
//            }
//            else
//            {
//                session.removeAttribute("error");
//                response.sendRedirect("jsp/Login.jsp");
//            }
//
//
//    }
//
//    /**
//     * Returns a short description of the servlet.
//     *
//     * @return a String containing servlet description
//     */
//    @Override
//    public String getServletInfo() {
//        return "Short description";
//    }// </editor-fold>
//
//
//
//
//
//
// }
